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Disassembly. - TM-10-3930-673-340161
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TM-10-3930-673-34 All Terrain Lifter Army System (ATLAS) 10 000 lb Capacity Manual
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Assembly. - TM-10-3930-673-340163
TM 10-3930-673-34
3-8. CRANKSHAFT REPLACEMENT/REPAIR (CONT)
c. Cleaning.
(1)
See cleaning instructions (Para 2-12).
CAUTION
If crankshaft is not to be reinstalled
within one hour after it is cleaned,
apply lubricating oil on the bearing
journals. Failure to comply with this
recommendation will result in
bearing journal corrosion.
(2)
Apply lubricating oil to all
crankshaft bearing journals if
crankshaft is not going to be
installed within one hour after
cleaning.
d. Inspection.
(1)
See inspection instructions
(2)
Visually inspect crankshaft
(a)
Inspect for large, deep cracks or
broken material throughout the
crankshaft, especially in the fillet
and journal areas.
(b)
Inspect for a high concentration of
TR01170
depressions or pitting.
(c)
Inspect for burning or scoring in the journal areas.
(d)
If any of the conditions mentioned in Steps (a) through (c) exist, replace the crankshaft.
(3)
Measure crankshaft bearing journals.
(a)
Measure crankshaft main bearing journals. If any main bearing journal measures less than
3.2662 in. (82.96 mm), replace the crankshaft or use oversize bearings. If any main bearing
journal is out of round by more than 0.0020 in. (0.05 mm), replace crankshaft or machine
crankshaft and use oversize bearings.
(b)
Measure crankshaft connecting rod journals. If any connecting rod journal measures less than
2.7150 in. (68.96 mm), replace the crankshaft or use oversize bearing. If any connecting rod
journal is out of round by more than 0.0020 in. (0.05 mm), replace crankshaft or machine
crankshaft and use oversize bearings.
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